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From "Tom Beerbower (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-1270) Add predicate objects for checking empty resource category & category count
Date Mon, 28 Jan 2013 05:35:17 GMT
Tom Beerbower created AMBARI-1270:
-------------------------------------

             Summary:  Add predicate objects for checking empty resource category & category
count
                 Key: AMBARI-1270
                 URL: https://issues.apache.org/jira/browse/AMBARI-1270
             Project: Ambari
          Issue Type: Bug
            Reporter: Tom Beerbower
            Assignee: Tom Beerbower




We need to be able to check through the API to see if a property category contains any properties.

For example, if we want to check to see if configurations have been overridden then we can
look at the ServiceInfo/desired_configs of a component resource. If desired_configs is empty
then there are no config overrides.

Through the API, we can examine the ServiceInfo/desired_configs property but we have no way
to write a predicate that would allow us to query for components that contain config overrides.

In order to allow for such a query, we need the underlying predicate objects.


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